Swallow's honey

Thesium chinense

Thesium chinense is a plant primarily distributed in Asia and possesses the following characteristics:

Growth Characteristics
- Environment: Thesium chinense thrives in sunny locations but can also grow in partially shaded areas. It prefers well-drained soil.
- Growth Cycle: As a perennial plant, it grows from spring through summer and bears fruit in the autumn.
- Size and Shape: It grows to approximately 30–60 cm in height; the stems are slender, and the leaves are linear.

Propagation Methods
- Seed Propagation: Thesium chinense can be propagated by seeds. Seeds can be harvested in the summer and sown directly, or sown indoors in the spring.
- Division Propagation: It can also be propagated by separating a portion of the roots. This method is used when rapid propagation is desired.

Cultivation Methods
- Sowing Time: It is generally recommended to sow in the spring.
- Soil Preparation: Well-drained sandy soil is ideal. It is also recommended to mix in a small amount of lime to neutralize soil acidity.
- Watering: Be careful not to overwater and maintain an environment with good drainage. It is best to water when the surface of the soil is dry.

Uses in Gardens
- Landscape Creation: Swallowtail Chinense is used in lawns, rock gardens, and natural-style gardens. It grows well even in shady areas, making it suitable as a boundary plant.
- Ecological Value: It contributes to soil improvement and the maintenance of ecological balance.

Important Pests and Control Methods
- Leaf Blight: It is prone to occur in hot and humid environments; upon early detection, diseased leaves should be removed and ventilation improved.
- Pests: Small pests such as aphids may occur; manage them through regular observation and the use of insecticides when necessary.
- Control: Prioritize eco-friendly methods over chemical control and consider periodic physical removal methods.

Swallowtail Chinense grows well without special care and is suitable for gardens as it can be utilized in various environments.

Plant Type
Plant Family	Sandalwood
Height	10~25cm
Spread
Colors	white
Bloom Period	July~August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

Gaehwalryangnamul Billosa
Thermopsis villosa

Long-tailed swallow's honey
Thesium refractum